chrome red vs redness

chrome red and redness both are nouns.

Word	Noun	Adjective	Verb	Adverb
chrome red	Yes	No	No	No
redness	Yes	No	No	No

As nouns, redness is a hypernym of chrome red; that is, redness is a word with a broader meaning than chrome red:

chrome red: a red pigment used in paints; basic lead chromate
redness: red color or pigment; the chromatic color resembling the hue of blood

Other hypernyms of chrome red include red.

chrome red (noun)	redness (noun)
a red pigment used in paints; basic lead chromate	red color or pigment; the chromatic color resembling the hue of blood
	a response of body tissues to injury or irritation; characterized by pain and swelling and redness and heat